1230101203 has 4 divisors (see below), whose sum is σ = 1283583888. Its totient is φ = 1176618520.

The previous prime is 1230101183. The next prime is 1230101231. The reversal of 1230101203 is 3021010321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230101273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26741308 + ... + 26741353.

It is an arithmetic number, because the mean of its divisors is an integer number (320895972).

Almost surely, 2^1230101203 is an apocalyptic number.

1230101203 is a deficient number, since it is larger than the sum of its proper divisors (53482685).

1230101203 is an equidigital number, since it uses as much as digits as its factorization.

1230101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53482684.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1230101203 is about 35072.7986194430. The cubic root of 1230101203 is about 1071.4706545409.

Adding to 1230101203 its reverse (3021010321), we get a palindrome (4251111524).

The spelling of 1230101203 in words is "one billion, two hundred thirty million, one hundred one thousand, two hundred three".